Lenovo ThinkPad Z13 Gen 1 (21D3) vs. ASUS Vivobook 14X (K3405ZF)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad Z13 Gen 1 (21D3) and ASUS Vivobook 14X (K3405ZF). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Lenovo ThinkPad Z13 Gen 1 (21D3) Review

Advantages and disadvantages of Lenovo ThinkPad Z13 Gen 1 (21D3) based on its technical characteristics, features, user experience, expert reviews and price level.

excellent build quality

powerful amd processor

bright oled display

eco-friendly materials

solid security features

higher price point

limited port selection

no dedicated gpu

average battery life

ASUS Vivobook 14X (K3405ZF) Review

Advantages and disadvantages of ASUS Vivobook 14X (K3405ZF) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful intel processor

lightweight and portable

vivid oled display

fast ssd storage

competitive price point

average battery life

limited port selection

no dedicated gpu

standard design

Laptop Comparison and Tests

Difference between Lenovo ThinkPad Z13 Gen 1 (21D3) and ASUS Vivobook 14X (K3405ZF)
81 % - Design
84 % - Display
80 % - Performance
85 % - Connectivity
85 % - Battery
82 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
80 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad Z13 Gen 1 (21D3) vs. ASUS Vivobook 14X (K3405ZF) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 29.44 cm x 19.96 cm x 1.399 cm 31.71 cm x 22.25 cm x 1.89 cm
Weight 1.26 kg 1.4 kg
Case Material Aluminium (top), aluminium (bottom) Aluminum
Colour Black (bottom), arctic grey (top) Cool silver
DISPLAY Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Screen Size (Type) 13.3" OLED 14" - IPS
Touchscreen Yes (10-point multi-touch) -
Screen Resolution 2880 x 1800 (2.8K) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 500 cd/m² 300 cd/m²
Colour Gamut 100% DCI-P3 45% NTSC
Features Anti-reflective, One Glass Solution, anti-smudge, on-cell touch technology, Low Blue Light technology, Dolby Vision, 91.6% screen-to-body ratio Glossy
PROCESSOR Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
CPU AMD Ryzen 7 Pro 6850U / 2.7 GHz Intel Core i5 (12th Gen) 12450H / 2 GHz
Max Turbo Speed 4.7 GHz 4.4 GHz
Number of Cores 8-core 8-core
Cache L3 - 16 MB L3 - 12 MB
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
RAM 32 GB (provided memory is soldered) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported - 16 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 6400 MHz -
Rated Speed 6400 MHz -
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) AMD Radeon 680M NVIDIA GeForce RTX 2050 / Intel UHD Graphics
Max Monitors Supported 2 external monitor(s) -
Video Memory - 4 GB GDDR6 SDRAM
Camera Yes - 1080p Yes - HD
Camera Features Windows Hello, fixed focus, e-camera shutter, Discrete IR Privacy shutter
Sound Stereo speakers, dual array microphone Dual speakers, microphone
Codec Realtek ALC3306 -
Compliant Standards High Definition Audio, Dolby Atmos -
Audio Features Input: Dolby Voice, 360° far-field Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster
COMMUNICATIONS Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Wireless Controller Qualcomm NFA725A -
Network Interface Gigabit Ethernet -
Features - Single stream (1x1)
BATTERY Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Technology 3-cell lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 51.5 Wh 50 Wh
AC ADAPTER Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 90 Watt, 19 V, 4.74 A
INPUT Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, edge-to-edge backlit keyboard, Fn keys with Unified Communications controls, glass touchpad, Haptic ForcePad 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Interfaces 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN (on supplied adapter)
HDMI 2.1
Headphone/microphone combo jack
2 x USB 3.2 Gen 1
USB-C 3.2 Gen 1 (Power Delivery)
SOFTWARE Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence Windows 11 Home
Software Included - MyASUS, ScreenXpert, GlideX
MISCELLANEOUS Lenovo ThinkPad Z13 Gen 1 (21D3) ASUS Vivobook 14X (K3405ZF)
Included Accessories USB-C power adapter, Lenovo USB-C to Ethernet Adapter Power adapter, wired mouse, Carry bag
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip
Features Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication ASUS IceCool design, MIL-STD-810H tested
Compliant Standards RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCO Certified 9.0 RoHS, REACH
Carbon Footprint 216 kg carbon emissions (EU) -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Model Number - LY134W
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